Pressure measurements of TO-phonon anharmonicity in isotopic ZnS

Tallman, R. E.; Ritter, T. M.; Weinstein, B. A.; Cantarero, A.; Serrano, J.; Lauck, R.; Cardona, M.

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Pressure measurements of TO-phonon anharmonicity in isotopic ZnS

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Serrano, J.
Department Solid State Spectroscopy (Bernhard Keimer), Max Planck Institute for Solid State Research, Max Planck Society;

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Lauck, R.
Scientific Facility Crystal Growth (Masahiko Isobe), Max Planck Institute for Solid State Research, Max Planck Society;

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Cardona, M.
Former Departments, Max Planck Institute for Solid State Research, Max Planck Society;

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Citation

Tallman, R. E., Ritter, T. M., Weinstein, B. A., Cantarero, A., Serrano, J., Lauck, R., et al. (2004). Pressure measurements of TO-phonon anharmonicity in isotopic ZnS. physica status solidi (b), 241(3), 491-494.

Cite as: https://hdl.handle.net/21.11116/0000-000E-F681-A

Abstract

We have measured the dependence on pressure of the line-widths of the
TO and LO Raman phonons of beta-ZnS. In order to enhance the phenomena
observed, and to eliminate possible effects of isotopic disorder, we
have measured a nearly isotopically pure crystal, (ZnS)-Zn-68-S-32. The
strongly structured pressure effects observed are interpreted on the
basis of anharmonic decay and the corresponding two-phonon density of
states. (C) 2004 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.